Finding the Fourth Proportional to 2,550,978.55, 3,520,350.28 and 1,405,058.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550,978.55 : 3,520,350.28 = 1,405,058.95 : x
2. Step 2: Convert to fraction form
   2,550,978.55/3,520,350.28 = 1,405,058.95/x
3. Step 3: Cross multiply
   2,550,978.55x = 3,520,350.28 × 1,405,058.95
4. Step 4: Simplify right side
   2,550,978.55x = 4,946,299,673,337.23
5. Step 5: Solve for x
   x = 4,946,299,673,337.23/2,550,978.55
6. Step 6: Final answer
   x = 1,938,981.29